113 	int ret = -ENOMEM;  in alloc_trace_probe()  local
117 		return ERR_PTR(ret);  in alloc_trace_probe()
134 		ret = -EINVAL;  in alloc_trace_probe()
144 		ret = -EINVAL;  in alloc_trace_probe()
158 	return ERR_PTR(ret);  in alloc_trace_probe()
189 	int ret = 0;  in trace_probe_nr_files()  local
198 			ret++;  in trace_probe_nr_files()
200 	return ret;  in trace_probe_nr_files()
212 	int ret = 0;  in enable_trace_probe()  local
225 			ret = -ENOMEM;  in enable_trace_probe()
246 			ret = enable_kretprobe(&tp->rp);  in enable_trace_probe()
248 			ret = enable_kprobe(&tp->rp.kp);  in enable_trace_probe()
254 	return ret;  in enable_trace_probe()
284 	int ret = 0;  in disable_trace_probe()  local
295 			ret = -EINVAL;  in disable_trace_probe()
306 				ret = -ENOMEM;  in disable_trace_probe()
334 	return ret;  in disable_trace_probe()
340 	int i, ret;  in __register_trace_probe()  local
355 		ret = register_kretprobe(&tp->rp);  in __register_trace_probe()
357 		ret = register_kprobe(&tp->rp.kp);  in __register_trace_probe()
359 	if (ret == 0)  in __register_trace_probe()
363 			   trace_probe_symbol(tp), trace_probe_offset(tp), ret);  in __register_trace_probe()
364 		if (ret == -ENOENT && trace_probe_is_on_module(tp)) {  in __register_trace_probe()
367 			ret = 0;  in __register_trace_probe()
368 		} else if (ret == -EILSEQ) {  in __register_trace_probe()
372 			ret = -EINVAL;  in __register_trace_probe()
376 	return ret;  in __register_trace_probe()
412 	int ret;  in register_trace_probe()  local
419 		ret = unregister_trace_probe(old_tp);  in register_trace_probe()
420 		if (ret < 0)  in register_trace_probe()
426 	ret = register_probe_event(tp);  in register_trace_probe()
427 	if (ret) {  in register_trace_probe()
428 		pr_warning("Failed to register probe event(%d)\n", ret);  in register_trace_probe()
433 	ret = __register_trace_probe(tp);  in register_trace_probe()
434 	if (ret < 0)  in register_trace_probe()
441 	return ret;  in register_trace_probe()
450 	int ret;  in trace_probe_module_callback()  local
461 			ret = __register_trace_probe(tp);  in trace_probe_module_callback()
462 			if (ret)  in trace_probe_module_callback()
465 					   tp->call.name, mod->name, ret);  in trace_probe_module_callback()
499 	int i, ret = 0;  in create_trace_probe()  local
552 		ret = unregister_trace_probe(tp);  in create_trace_probe()
553 		if (ret == 0)  in create_trace_probe()
556 		return ret;  in create_trace_probe()
569 		ret = kstrtoul(&argv[1][0], 0, (unsigned long *)&addr);  in create_trace_probe()
570 		if (ret) {  in create_trace_probe()
572 			return ret;  in create_trace_probe()
578 		ret = traceprobe_split_symbol_offset(symbol, &offset);  in create_trace_probe()
579 		if (ret) {  in create_trace_probe()
581 			return ret;  in create_trace_probe()
610 	ret = 0;  in create_trace_probe()
629 			ret = -ENOMEM;  in create_trace_probe()
636 			ret = -EINVAL;  in create_trace_probe()
644 			ret = -EINVAL;  in create_trace_probe()
649 		ret = traceprobe_parse_probe_arg(arg, &tp->size, &tp->args[i],  in create_trace_probe()
651 		if (ret) {  in create_trace_probe()
652 			pr_info("Parse error at argument[%d]. (%d)\n", i, ret);  in create_trace_probe()
657 	ret = register_trace_probe(tp);  in create_trace_probe()
658 	if (ret)  in create_trace_probe()
664 	return ret;  in create_trace_probe()
670 	int ret = 0;  in release_all_trace_probes()  local
676 			ret = -EBUSY;  in release_all_trace_probes()
689 	return ret;  in release_all_trace_probes()
741 	int ret;  in probes_open()  local
744 		ret = release_all_trace_probes();  in probes_open()
745 		if (ret < 0)  in probes_open()
746 			return ret;  in probes_open()
803 	int i, ret = 0;  in __get_data_size()  local
809 			ret += len;  in __get_data_size()
812 	return ret;  in __get_data_size()
1046 	int ret, i;  in kprobe_event_define_fields()  local
1053 		ret = trace_define_field(event_call, tp->args[i].type->fmttype,  in kprobe_event_define_fields()
1059 		if (ret)  in kprobe_event_define_fields()
1060 			return ret;  in kprobe_event_define_fields()
1067 	int ret, i;  in kretprobe_event_define_fields()  local
1075 		ret = trace_define_field(event_call, tp->args[i].type->fmttype,  in kretprobe_event_define_fields()
1081 		if (ret)  in kretprobe_event_define_fields()
1082 			return ret;  in kretprobe_event_define_fields()
1285 	int ret;  in register_probe_event()  local
1298 	ret = register_ftrace_event(&call->event);  in register_probe_event()
1299 	if (!ret) {  in register_probe_event()
1306 	ret = trace_add_event_call(call);  in register_probe_event()
1307 	if (ret) {  in register_probe_event()
1312 	return ret;  in register_probe_event()
1381 	int ret, warn = 0;  in kprobe_trace_self_tests_init()  local
1390 	ret = traceprobe_command("p:testprobe kprobe_trace_selftest_target "  in kprobe_trace_self_tests_init()
1393 	if (WARN_ON_ONCE(ret)) {  in kprobe_trace_self_tests_init()
1412 	ret = traceprobe_command("r:testprobe2 kprobe_trace_selftest_target "  in kprobe_trace_self_tests_init()
1414 	if (WARN_ON_ONCE(ret)) {  in kprobe_trace_self_tests_init()
1436 	ret = target(1, 2, 3, 4, 5, 6);  in kprobe_trace_self_tests_init()
1465 	ret = traceprobe_command("-:testprobe", create_trace_probe);  in kprobe_trace_self_tests_init()
1466 	if (WARN_ON_ONCE(ret)) {  in kprobe_trace_self_tests_init()
1471 	ret = traceprobe_command("-:testprobe2", create_trace_probe);  in kprobe_trace_self_tests_init()
1472 	if (WARN_ON_ONCE(ret)) {  in kprobe_trace_self_tests_init()